e1000e: Clear ULP configuration register on ULP exit
authorRaanan Avargil <raanan.avargil@intel.com>
Tue, 22 Dec 2015 13:35:04 +0000 (15:35 +0200)
committerJeff Kirsher <jeffrey.t.kirsher@intel.com>
Wed, 24 Feb 2016 22:50:21 +0000 (14:50 -0800)
commitc5c6d07761a9ff64f0ffff2ca410a578fb7c4579
treef4a8caf1a69bfb509baca50018741d81105b1cb9
parentc26f40daf4e32f970b8337a88b65a8d00332ae6f
e1000e: Clear ULP configuration register on ULP exit

There have been bugs caused by HW ULP configuration settings not being
properly cleared after cable connect in V-Pro capable systems.
This caused HW to get out of sync occasionally.
The fix ensures that ULP settings are cleared in HW after
LAN cable re-connect.

Signed-off-by: Raanan Avargil <raanan.avargil@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
drivers/net/ethernet/intel/e1000e/ich8lan.c
drivers/net/ethernet/intel/e1000e/ich8lan.h